CN206804081U - A kind of electronic remote transmission water meter gas meter, flow meter is used tricks digit wheel - Google Patents
A kind of electronic remote transmission water meter gas meter, flow meter is used tricks digit wheel Download PDFInfo
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- CN206804081U CN206804081U CN201720213801.5U CN201720213801U CN206804081U CN 206804081 U CN206804081 U CN 206804081U CN 201720213801 U CN201720213801 U CN 201720213801U CN 206804081 U CN206804081 U CN 206804081U
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- loophole
- meter
- loopholes
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- character wheel
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Abstract
A kind of electronic remote transmission water meter gas meter, flow meter is the utility model is related to use tricks digit wheel.The utility model is provided with two loopholes on digit wheel, and one is 135 ° of arc loopholes, and another is 45 ° of arc loopholes, and two loophole sidelines are 45 ° at a distance of angle.The utility model overcome subdivision 30 coding after, each code corner only has 12 °, to character wheel, phototube circuit plate manufacture, installation, using propose very high request makes product cost significantly raise the defects of.The utility model passes through two loopholes, the loophole 3 that the loophole 2 and another angle that one angle is 135 ° are 45 °, and the sideline of loophole 2, loophole 3 inerrably forms ten's digit at a distance of the special angle that angle is 45 °, reading code is wide, stably, accurately, and character wheel structure adds list, easy to process, cost reduces, and instrument will not be caused to misread.
Description
Technical field
Flow instrument field is the utility model is related to, more particularly to a kind of electronic remote transmission water meter gas meter, flow meter is used tricks digit wheel.
Background technology
Before the present utility model, electronic remote transmission water meter, Electron remote transfer gas meter are more using installed in counting at present
The photoelectric tube in groups of character wheel side, the fan-shaped window of irradiation character wheel side, character wheel position is differentiated by singlechip technology, and
Character wheel sector the window's position corresponds to character wheel reading again.So single-chip microcomputer can read character wheel reading, 9 become 0 during due to character wheel carry
This process is continuously moved, and single-chip microcomputer is likely to result in erroneous judgement, for example 19.999 go to 20.000, may be read as " 29 "
" 10 ", for solve the existing character wheel of this problem by 0~9 totally 10 numbers be circumferentially subdivided into 30 codings and be subject to carry and sentence for 360 °
Not.But because character wheel circumferential size is smaller, after segmenting 30 codings, each code corner only has that 12 ° i.e. chord length is very short, right
Character wheel, the manufacture of phototube circuit plate, install, product cost is significantly raised using proposition very high request, causing instrument to misread.
Utility model content
The purpose of this utility model is to overcome drawbacks described above, there is provided a kind of electronic remote transmission water meter gas meter, flow meter is used tricks numeral
Wheel.
The technical solution of the utility model is：
A kind of electronic remote transmission water meter gas meter, flow meter is used tricks digit wheel, and it is mainly characterized by is provided with two on digit wheel
Loophole, one is 135 ° of arc loopholes, and another is 45 ° of arc loopholes.
Described two loophole sidelines are 45 ° at a distance of angle.
The advantages of the utility model and effect are that reading code is wide, stably, accurately, and character wheel structure adds list, easy to process,
Cost reduces, and instrument will not be caused to misread.
Brief description of the drawings
Fig. 1 --- the utility model character wheel loophole structural representation.
Fig. 2 --- the utility model character wheel circumference corner is to code pattern.
Component names corresponding to each label expression are as follows in figure：
Count character wheel 1, loophole 2, loophole 3.
Embodiment
As shown in Figure 1 and Figure 2：
Two loopholes are provided with character wheel 1 is counted, the loophole 2 that an angle is 135 ° and another angle are 45 °
Loophole 3, and the sideline of loophole 2, loophole 3 at a distance of angle be 45 °, pass through the loophole of the two special angles, meter
Digit wheel 1 is compiled with that can produce one group of character wheel installed in the sensor (being omitted in figure, be not drawn into) for counting character wheel both sides when rotated
Code, this group of character wheel coding is just corresponding with the numeral of " 0 "-" 9 " ten that counting character wheel 1 side is printed on, so as to complete instrument
Mechanical count changes into photoelectric figure signal, realizes photoelectric reading function.
Due to counting the unique structure of character wheel 1 and caused can act on, it can specifically coordinate as follows with other parts：
Character wheel 1 is counted using four to be arranged in character wheel box, is respectively position, ten, hundred and a kilobit, is connected with roller axle
Connect, count character wheel 1 and be fitted with long pinwheel, make four in character wheel box to count character wheel 1 and form ten's digit.Circuit board is installed
On character wheel box, fixed with self-tapping screw, five risers for being welded with sensor count character wheel 1 positioned at four figures respectively on circuit board
Both sides, ultimately form photoelectricity character wheel box.
The utility model application process explanation：
This counting character wheel 1 rotates a circle, and counts 135 ° of loopholes 2 and 45 ° of loopholes 3 and installation counting word that character wheel is drawn
The sensor (being not drawn into figure, omit) for taking turns 1 both sides produces following set of character wheel coding：
1011,0111,1111,1110,1100,1000,0000,0001,0010,0101 correspond to counting character wheel 1 respectively reads
Number 0,1,2,3,4,5,6,7,8,9, continuously rotated due to counting character wheel 1, when counting character wheel 1 is rotated in 90 carry of change,
Loophole 2 and loophole 3 can be produced in centre two coding for carry differentiate, i.e., between 0101 and 1011 generation 1101 and
1001 codings differentiate for carry to be used, and " 0110,0100 " 1 group of complementary, this 1 group of complementary do not influence 0~9 master for generation between 8 and 9
Code differentiates that complementary can be evenly distributed in adjacent primary key by single-chip microcomputer (show in figure and draw, omit), so pass through phototube circuit
Plate SCM system can accurately determine a certain anglec of rotation of sequential digit wheel 1 and the current location of character wheel, realize meter
The number photoelectric reading function of digit wheel 1.
Claims (2)
- The digit wheel 1. a kind of electronic remote transmission water meter gas meter, flow meter is used tricks, it is characterised in that it is provided with two loopholes on digit wheel, one Individual is 135 ° of arc loopholes, and another is 45 ° of arc loopholes.
- The digit wheel 2. a kind of electronic remote transmission water meter gas meter, flow meter according to claim 1 is used tricks, it is characterised in that described two Loophole sideline is 45 ° at a distance of angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720213801.5U CN206804081U (en) | 2017-03-01 | 2017-03-01 | A kind of electronic remote transmission water meter gas meter, flow meter is used tricks digit wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720213801.5U CN206804081U (en) | 2017-03-01 | 2017-03-01 | A kind of electronic remote transmission water meter gas meter, flow meter is used tricks digit wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206804081U true CN206804081U (en) | 2017-12-26 |
Family
ID=60729652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720213801.5U Active CN206804081U (en) | 2017-03-01 | 2017-03-01 | A kind of electronic remote transmission water meter gas meter, flow meter is used tricks digit wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206804081U (en) |
-
2017
- 2017-03-01 CN CN201720213801.5U patent/CN206804081U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |